Home / 788,249.80-1,182,374.70-611,102.80

Finding the Fourth Proportional to 788,249.80, 1,182,374.70 and 611,102.80

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Solution

The fourth proportional to 788,249.80, 1,182,374.70 and 611,102.80 is: 916,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,249.80 : 1,182,374.70 = 611,102.80 : x
  2. Step 2: Convert to fraction form
    788,249.80/1,182,374.70 = 611,102.80/x
  3. Step 3: Cross multiply
    788,249.80x = 1,182,374.70 × 611,102.80
  4. Step 4: Simplify right side
    788,249.80x = 722,552,489,819.16
  5. Step 5: Solve for x
    x = 722,552,489,819.16/788,249.80
  6. Step 6: Final answer
    x = 916,654.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.